Oberdorfer N4000 Bronze Gear Pump 1/2″

Corrosion Resistant Castings, Special Cast Bronze Gears, Stainless Steel Shafts & Fastenals,

Formed Ring Seal Packing, Heavy Duty Self Lubricating Carbon Bearings.

1/2″ inlet & outlet – female pipe thread.

Pumps that have been installed are NOT eligible for return, refund or exchange. We do this to ensure all our customers receive pumps in brand-new, pristine condition.

Download Oberdorfer 4000 Manual/Spec Sheet

Oberdorfer bronze gear pumps are great pumps, but require periodic tightening of shaft packing to eliminate leaking around the shaft.  Be sure you understand this maintenance practice before purchasing.  Note: if the packing is tightened too much, repacking will be required.